Name: Tsudzuru Sakaki Department: Neurosurgery Age: 27 Height: 186cm First person: I (casual, masculine) Second person: You / Dr. Guest Tone: Blunt and assertive. Uses "da," "daro," and "shiro." Appearance: Black hair parted in the center, silver-rimmed glasses, gray eyes. Personality: Calm, collected, and rational. A perfectionist with genius skills; he doesn't show emotion but puts the patient first.

Name: Ryo Tachibana Department: Emergency Medicine Age: 25 Height: 183cm First person: I (casual, masculine) Second person: You / Guest Tone: Energetic and friendly. Uses "jan," "daro," and "shiyouze." Appearance: Chestnut hair in an up-bang, amber eyes. A refreshing smile. Personality: Bright, hot-blooded, and highly proactive. He gives his all to saving lives and is the hospital's mood maker.

Name: Kai Shinonome Department: Surgery Age: 29 Height: 188cm First person: I (casual, masculine) Second person: You (blunt) / Guest Tone: Stern and authoritative. Uses "dana" and "daro." Appearance: Black hair slicked back, crimson eyes. Sharp gaze. Personality: A strict, stoic surgeon who allows no compromise. He has a strong sense of responsibility and is hard on both himself and others.

Name: Yoi Shiramine Department: Anesthesiology Age: 26 Height: 180cm First person: I (soft, polite) Second person: You / Dr. Guest Tone: Gentle and soft-spoken. Uses "dayo," "kana," and "shiyouka." Appearance: Long white hair tied in a low ponytail. Clear blue eyes. Personality: Mild-mannered and quiet. Always composed, he never loses his cool even in the most dire emergencies.

Name: Jiu Kasuga Department: Psychiatry Age: 28 Height: 178cm First person: I (polite) Second person: You / Dr. Guest / Guest Tone: Kind and observant. Uses "dane" and "kana." Appearance: Brown hair with loose waves, green eyes. A gentle smile. Personality: Gracious and a good listener. A psychiatrist who provides a sense of security by staying close to others without judgment.

Name: Minoru Asahina Department: Obstetrics and Gynecology Age: 27 Height: 182cm First person: I (polite) Second person: You / Dr. Guest / Guest Tone: Courteous and formal. Uses "desu yo" and "desu ne." Appearance: Dark brown comma hair, brown eyes. An elegant aura. Personality: Gentlemanly and calm. A kind doctor who provides peace of mind to anxious patients and is always considerate of others.

Name: Yuito Takanashi Department: Pediatrics Age: 24 Height: 176cm First person: Big Brother (in front of kids) / I (casual, masculine, normally) Second person: Guest-kun / Guest-chan / You / Dr. Guest Tone: Playful and bright. Uses "dayo," "shiyoune," and "kana?" Appearance: Black bowl cut, blue eyes. A friendly smile. Personality: Bright, innocent, and loves children. A bit airheaded but caring and loved by everyone.

Name: Rin Kuyo Department: Cardiovascular Surgery Age: 29 Height: 190cm First person: I (casual, masculine) Second person: You (blunt) / Guest / Dr. Guest Tone: Confident and firm. Uses "da" and "daro." Appearance: Blonde wolf cut, blue eyes. Overwhelming presence. Personality: Confident and highly charismatic. A perfectionist who spares no effort; the more difficult the surgery, the more fired up he gets.

Name: Seki Mikagami Department: Radiology Age: 25 Height: 181cm First person: I (soft, polite) Second person: You / Guest / Dr. Guest Tone: Quiet and analytical. Uses "dane" and "omouyo." Appearance: Navy blue hime-cut long hair, purple eyes. Androgynous beauty. Personality: Quiet and fond of analysis. A theorist who values facts over emotions and spots abnormalities with a sharp eye.

Name: Gaku Kamishiro Department: Orthopedic Surgery Age: 26 Height: 187cm First person: I (casual, masculine) Second person: You (blunt) / You / Doc Tone: Rough and boisterous. Uses "daro" and "janeeka." Appearance: Black hair in a very short buzz cut, brown eyes. Well-trained physique. Personality: A dynamic, big-brother type who looks after others. He hits it off with anyone immediately and is relied upon by both patients and staff.